CN215579139U

CN215579139U - Board-to-board connector

Info

Publication number: CN215579139U
Application number: CN202120446232.5U
Authority: CN
Inventors: 葛明琪; 张弛; 陈凯; 朱文; 周进军
Original assignee: Sunway Communication Jiangsu Co Ltd
Current assignee: Sunway Communication Jiangsu Co Ltd
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2022-01-18
Anticipated expiration: 2031-03-01

Abstract

The utility model discloses a board-to-board connector, which comprises a female end connector, wherein the female end connector comprises a female base, the female base comprises a bottom plate, a middle island, two side walls and two end walls, the two side walls are oppositely arranged, the middle island, the two side walls and the two end walls are respectively connected with the bottom plate, the two ends of each side wall are respectively connected with the two end walls, a frame structure is enclosed by the two side walls and the two end walls, the middle island is positioned in the frame structure, a containing cavity for containing at least part of the region of a male end connector is formed between the middle island and the frame structure, a female end fitting is arranged at the end part of the female base, the female end fitting comprises a main body part, a connecting part and a protecting part which are sequentially connected, the main body part is buckled on the frame structure, and the protecting part is buckled at the end of the middle island. The female end hardware fitting has a simple and novel structure; the main body part of the female end fitting is buckled with the frame-shaped structure, and the protection part of the female end fitting is buckled with the middle island, so that the design difficulty and the machining precision requirement of an injection mold are greatly reduced, and the manufacturing cost of a board-to-board connector is favorably reduced.

Description

Board-to-board connector

Technical Field

The utility model relates to the technical field of radio frequency connectors, in particular to a board-to-board connector.

Background

The board-to-board connector comprises a male end connector and a female end connector which are matched in a splicing manner, the female end connector comprises a female base, the female base comprises a bottom plate, a middle island, two side walls which are oppositely arranged and two end walls which are oppositely arranged, the middle island, the side walls and the end walls are respectively connected with the bottom plate, two ends of the side walls are respectively connected with the two end walls, a frame structure is enclosed by the two side walls and the two end walls, the middle island is positioned in the frame structure, a containing cavity for containing at least part of the region of the male end connector is formed between the middle island and the frame structure, in order to protect the end of the middle island from being damaged so as to prolong the service life and the electrical property of the female end connector, the end part of the female base is provided with a female end fitting, the female end fitting and the female base are generally connected in an insert injection molding manner, and the female end fitting has a structure for protecting the end of the middle island, this results in a complex insert injection mold design that results in a high manufacturing cost of the board-to-board connector.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: a board-to-board connector with low manufacturing cost is provided.

In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a board to board connector, includes female end connector, female end connector includes female seat, female seat includes bottom plate, well island, two side walls and two headwalls of relative setting that set up relatively, well island, side wall and headwall are connected respectively the bottom plate, the both ends of side wall respectively with two the headwall links to each other, two the side wall is with two the headwall four encloses into a frame structure, well island is located in the frame structure, well island with form the cavity that holds that is used for holding the at least part region of public end connector between the frame structure, the tip of female seat is equipped with female end gold utensil, female end gold utensil includes consecutive main part, connecting portion and guard segment, the main part lock joint is in on the frame structure, the guard segment lock joint is in the end department of well island.

Furthermore, an avoiding inclined plane is arranged at the top of the end of the middle island, a buckling hole is formed in the avoiding inclined plane, and one end, far away from the connecting part, of the protecting part is buckled in the buckling hole.

Furthermore, at least one side of one end of the protection part, which is far away from the connecting part, is provided with a first clamping block.

Further, the protection portion includes consecutive portion of rising, guide part, kink and the portion of stretching into, the portion of rising is connected connecting portion are located the outside of the end of well island, the portion of stretching into stretch into in the lock joint is downthehole.

Further, the top end of the protection part is arranged lower than the top surface of the middle island.

Furthermore, a slotted hole for avoiding the connecting part is formed in the bottom plate.

Further, the main part includes first protection arm, second protection arm and third protection arm, first protection arm is located the headwall is kept away from on the face of bottom plate, the both ends of first protection arm are connected with respectively the second protection arm, the second protection arm is located the side wall is kept away from on the face of bottom plate, the third protection arm is located the outside of side wall, the top of third protection arm is connected the outside limit of second protection arm, the bottom of third protection arm forms first leg, the lateral wall of first protection arm has the extension arm that extends down, the extension arm is located the outside of headwall, the bottom of extension arm is buckled outwards and is extended the even material piece that forms as the second leg.

Furthermore, a second clamping block and/or a first clamping foot are/is arranged on the extension arm.

Furthermore, a second clamping pin is arranged on the third protection arm.

Furthermore, the third protection arm is kept away from the top of the one end of extension arm is connected with the elastic cantilever, the elastic cantilever is kept away from the one end of third protection arm stretches into hold the intracavity, the top of lateral wall is equipped with and is used for keeping away the position the groove of keeping away of elastic cantilever, the top surface of elastic cantilever is less than the top surface setting of second protection arm.

The utility model has the beneficial effects that: the female end fitting in the plate-to-plate connector is simple and novel in structure; the main body part of the female end fitting is buckled with the frame-shaped structure, and the protection part of the female end fitting is buckled with the middle island, so that the design difficulty and the machining precision requirement of an injection mold are greatly reduced, and the manufacturing cost of a board-to-board connector is favorably reduced.

Drawings

Fig. 1 is a schematic structural diagram of a part of a female connector in a board-to-board connector according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a female end fitting in a female end connector in a board-to-board connector according to a first embodiment of the present invention;

fig. 3 is a schematic structural diagram of another view angle of the female end fitting in the female end connector in the board-to-board connector according to the first embodiment of the present invention.

Description of reference numerals:

1. a female seat; 11. a base plate; 111. a slot; 12. a middle island; 121. avoiding the inclined plane; 122. buckling holes; 13. a side wall; 131. a position avoiding groove; 14. an end wall; 141. an L-shaped limiting block; 15. an accommodating chamber;

2. a female end fitting; 21. a main body portion; 211. a first protective arm; 212. a second guard arm; 213. a third guard arm; 2131. a first solder tail; 2132. a second clamping pin; 214. an extension arm; 2141. a second fillet weld; 2142. a second fixture block; 2143. a first clamping pin; 215. a flexible cantilever; 22. a connecting portion; 23. a protection part; 231. a first clamping block; 232. a rising part; 233. a guide portion; 234. a bending section; 235. an insertion portion; 24. and protecting edges by using the collapsed corners.

Detailed Description

In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.

Referring to fig. 1 to 3, a board-to-board connector includes a female terminal connector, where the female terminal connector includes a female base 1, the female base 1 includes a bottom plate 11, a middle island 12, two side walls 13 oppositely disposed and two end walls 14 oppositely disposed, the middle island 12, the side walls 13 and the end walls 14 are respectively connected to the bottom plate 11, two ends of the side walls 13 are respectively connected to the two end walls 14, the two side walls 13 and the two end walls 14 enclose a frame structure, the middle island 12 is located in the frame structure, a receiving cavity 15 for receiving at least a partial region of a male terminal connector is formed between the middle island 12 and the frame structure, a female terminal fitting 2 is disposed at an end of the female base 1, the female terminal fitting 2 includes a main body portion 21, a connecting portion 22 and a protection portion 23 sequentially connected, the main body portion 21 is fastened to the frame structure, the guard portion 23 is fastened to the end of the island 12.

From the above description, the beneficial effects of the present invention are: the female end hardware fitting 2 in the plate-to-plate connector is simple and novel in structure; the main body part 21 of the female end fitting 2 is buckled with the frame-shaped structure, and the protection part 23 of the female end fitting 2 is buckled with the middle island 12, so that the design difficulty and the processing precision requirement of an injection mold are greatly reduced, and the manufacturing cost of a board-to-board connector is favorably reduced.

Further, an avoiding inclined surface 121 is arranged at the top of the end of the middle island 12, a buckling hole 122 is arranged on the avoiding inclined surface 121, and one end, far away from the connecting portion 22, of the protecting portion 23 is buckled in the buckling hole 122.

As can be seen from the above description, the arrangement of the avoiding inclined plane 121 can avoid a part of the structure of the male end connector, so that the board-to-board connector can be more light and thin, and in addition, the existence of the avoiding inclined plane 121 can also reduce the risk that the end of the middle island 12 is scratched, which is beneficial to prolonging the service life of the board-to-board connector. More importantly, the buckling hole 122 is arranged on the avoiding inclined surface 121, the opening area of the buckling hole 122 can be increased in a phase-changing manner, so that one end, far away from the connecting portion 22, of the protection portion 23 can enter the buckling hole 122 more easily, the assembling difficulty of the female end fitting 2 and the female base 1 is reduced, the assembling efficiency of the female end connector is improved, and the manufacturing cost of the plate-to-plate connector is saved.

Further, at least one side of one end of the protection portion 23 away from the connection portion 22 is provided with a first latch 231.

As can be seen from the above description, the protection portion 23 can be fastened to the middle island 12 through the first fastening block 231, so that the risk that the protection portion 23 is separated from the fastening hole 122 is greatly reduced, and the structural stability of the board-to-board connector is ensured.

Further, the protection portion 23 includes a rising portion 232, a guiding portion 233, a bending portion 234 and an extending portion 235 that are connected in sequence, the rising portion 232 is connected to the connecting portion 22 and located outside the end of the middle island 12, and the extending portion 235 extends into the buckling hole 122.

As can be seen from the above description, the guiding portion 233 can guide the male end connector, so that the male end connector and the female end connector can be more easily assembled in place during the insertion and fitting, which is beneficial to enhancing the user experience.

Further, the top end of the protection portion 23 is disposed lower than the top surface of the middle island 12.

As can be seen from the above description, a space for avoiding the position of the partial structure of the male end connector is formed above the protection portion 23.

Further, the bottom plate 11 is provided with a slot 111 for avoiding the connecting portion 22.

As can be seen from the above description, the connecting portion 22 does not affect the depth of the accommodating chamber 15.

Further, the main body portion 21 includes a first protection arm 211, a second protection arm 212 and a third protection arm 213, the first protection arm 211 is located on the surface of the end wall 14 far from the bottom plate 11, two ends of the first protection arm 211 are respectively connected with the second protection arm 212, the second protection arm 212 is located on the surface of the side wall 13 far from the bottom plate 11, the third protection arm 213 is located on the outer side of the side wall 13, the top end of the third protection arm 213 is connected with the outer side edge of the second protection arm 212, a first welding pin 2131 is formed at the bottom end of the third protection arm 213, the outer side wall of the first protection arm 211 has an extension arm 214 extending downward, the extension arm 214 is located on the outer side of the end wall 14, and the bottom of the extension arm 214 bends outward and extends to form a connecting block as a second welding pin 2141.

According to the description, the connecting block is used as the welding leg, so that waste material utilization is realized, the utilization rate of resources is improved, and the resource waste is reduced.

Further, the extension arm 214 is provided with a second latch 2142 and/or a first latch 2143.

Further, a second locking pin 2132 is disposed on the third protection arm 213.

As can be seen from the above description, the main body 21 and the frame structure have a plurality of clamping positions, which is beneficial to ensuring the stability of the connection between the female end fitting 2 and the female seat 1.

Furthermore, an elastic cantilever 215 is connected to the top of one end of the third protection arm 213, which is far away from the extension arm 214, one end of the elastic cantilever 215, which is far away from the third protection arm 213, extends into the accommodating cavity 15, a position avoiding groove 131 for avoiding the elastic cantilever 215 is arranged at the top of the side wall 13, and the top surface of the elastic cantilever 215 is lower than the top surface of the second protection arm 212.

As can be seen from the above description, the top surface of the elastic cantilever 215 is lower than the top surface of the second protection arm 212, so as to protect the elastic cantilever 215, prevent the elastic cantilever 215 from being damaged when the male end connector is plugged into the female end connector, and facilitate prolonging the service life of the board-to-board connector. In addition, the space above the elastic cantilever 215 can also form an avoiding area for avoiding a partial structure of the male end connector, which is beneficial to the development of light and thin board-to-board connectors.

Example one

Referring to fig. 1 to fig. 3, a first embodiment of the present invention is: a plate-to-plate connector comprises a female end connector, wherein the female end connector comprises a female base 1, the female base 1 comprises a bottom plate 11, a middle island 12, two side walls 13 arranged oppositely and two end walls 14 arranged oppositely, the middle island 12, the side walls 13 and the end walls 14 are respectively connected with the bottom plate 11, two ends of the side walls 13 are respectively connected with the two end walls 14, the two side walls 13 and the two end walls 14 form a frame-shaped structure, the central island 12 is located within the frame structure, a receiving cavity 15 for receiving at least a partial region of the male connector is formed between the central island 12 and the frame structure, the end part of the female seat 1 is provided with a female end fitting 2, the female end fitting 2 comprises a main body part 21, a connecting part 22 and a protecting part 23 which are connected in sequence, the main body portion 21 is fastened to the frame structure, and the protection portion 23 is fastened to the end of the middle island 12.

As shown in fig. 1, the bottom plate 11 is provided with a slot 111 for avoiding the connecting portion 22, in this embodiment, the slot 111 is a window structure.

As a specific implementation manner, an avoiding inclined surface 121 is disposed at the top of the end of the middle island 12, a fastening hole 122 is disposed on the avoiding inclined surface 121, one end of the protecting portion 23, which is far away from the connecting portion 22, is fastened in the fastening hole 122, and at least one side of one end of the protecting portion 23, which is far away from the connecting portion 22, is provided with a first fixture block 231, and optionally, the first fixture block 231 is a convex protrusion protruding outward.

Referring to fig. 1 and fig. 2, in detail, the protecting portion 23 includes an ascending portion 232, a guiding portion 233, a bending portion 234 and an extending portion 235, which are connected in sequence, the ascending portion 232 is connected to the connecting portion 22 and located outside the end of the middle island 12, all areas of the guiding portion 233 are exposed out of the middle island 12, the guiding portion 233 is inclined with respect to the bottom plate 11, the extending portion 235 extends into the engaging hole 122, and the first latch 231 is disposed on the extending portion 235.

As shown in fig. 1, in order to avoid the position of the male terminal connector, optionally, the top end of the protection portion 23 is disposed lower than the top surface of the middle island 12.

As shown in fig. 2, specifically, the main body 21 includes a first protection arm 211, a second protection arm 212, and a third protection arm 213, the first protection arm 211 is located on a surface of the end wall 14 away from the bottom plate 11, two ends of the first protection arm 211 are respectively connected to the second protection arm 212, the second protection arm 212 is located on a surface of the side wall 13 away from the bottom plate 11, the third protection arm 213 is located on an outer side of the side wall 13, a top end of the third protection arm 213 is connected to an outer side edge of the second protection arm 212, a bottom end of the third protection arm 213 forms a first solder fillet 2131, an outer side wall of the first protection arm 211 has an extension arm 214 extending downward, the extension arm 214 is located on an outer side of the end wall 14, and a bottom of the extension arm 214 bends outward to form a connecting block as a second solder fillet 2141. It should be noted that, because the female-end hardware 2 is generally transported and circulated through the material belt, a connecting block connected to the material belt is often required to be disposed on the female-end hardware 2, and the female-end hardware 2 in this embodiment utilizes the connecting block as the second fillet weld 2141. The female end fitting 2 and an external member (such as a PCB) have a plurality of welding positions, which is beneficial to ensuring the welding stability of the female end connector and the external member.

Referring to fig. 1 to 3, in order to ensure the stability of the fastening of the female end fitting 2 and the female socket 1, the extension arm 214 is provided with a second clamping block 2142 and/or a first clamping pin 2143, and the third protection arm 213 is provided with a second clamping pin 2132. In this embodiment, the first clip 2143 and the second clip 2132 are buckling blocks formed by stamping.

Referring to fig. 1 and fig. 2, more specifically, an elastic cantilever 215 is connected to a top of an end of the third protection arm 213 away from the extension arm 214, an end of the elastic cantilever 215 away from the third protection arm 213 extends into the accommodating cavity 15, a position-avoiding groove 131 for avoiding the elastic cantilever 215 is disposed at a top of the side wall 13, and a top surface of the elastic cantilever 215 is lower than a top surface of the second protection arm 212.

In a specific embodiment, at least a partial region of the avoiding groove 131 is disposed corresponding to the avoiding inclined surface 121, that is, at least a partial region of the elastic cantilever 215 is disposed corresponding to the bending portion 234 along the length direction of the end wall 14, so that the avoiding region above the protecting portion 23 and the avoiding region above the elastic cantilever 215 can be connected to form an elongated avoiding space parallel to the end wall 14 to avoid a partial structure of the male end connector (e.g., a ground bridge of a male end fitting), thereby reducing the overall thickness of the board-to-board connector.

As shown in fig. 1, in order to prevent the extension arm 214 from turning outwards, an L-shaped stopper 141 is connected to the bottom of the outer side wall of the end wall 14, a stopper space is formed between the L-shaped stopper 141 and the end wall 14, and a part of the extension arm 214 is located in the stopper space. Preferably, the female seat 1 and the L-shaped limiting block 141 are integrally formed by injection molding.

Please refer to fig. 1 and fig. 2, in order to provide more sufficient protection for the female socket, the female end fitting 2 further includes a corner collapse protective edge 24, an inner side edge of the second protective arm 212 and an inner side edge of the first protective arm 211 are respectively connected to the corner collapse protective edge 24, and the corner collapse protective edge 24 is obliquely extended toward a bottom direction of the accommodating cavity 15.

In conclusion, the female end hardware fitting in the board-to-board connector provided by the utility model has a simple and novel structure; the main body part of the female end fitting is buckled with the frame-shaped structure, and the protection part of the female end fitting is buckled with the middle island, so that the design difficulty and the processing precision requirement of an injection mold are greatly reduced, and the manufacturing cost of a board-to-board connector is favorably reduced; the requirement on the assembly precision is low, the assembly is convenient and quick, and the assembly cost of the board-to-board connector is favorably reduced; the female end connector is good in structural stability and long in service life, and consumption experience of a user is enhanced.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a board to board connector, includes female end connector, female end connector includes female seat, female seat includes bottom plate, well island, two side walls and two headwalls of relative setting that set up relatively, well island, side wall and headwall are connected respectively the bottom plate, the both ends of side wall respectively with two the headwall links to each other, two the side wall is with two the headwall four encloses into a frame shape structure, well island is located in the frame shape structure, well island with form between the frame shape structure and be used for holding the at least partial region's of public end connector chamber that holds, the tip of female seat is equipped with female end gold utensil, its characterized in that: the female end fitting comprises a main body part, a connecting part and a protecting part which are sequentially connected, wherein the main body part is buckled on the frame-shaped structure, and the protecting part is buckled at the end of the middle island; the top of the end of the middle island is provided with an avoiding inclined plane, the avoiding inclined plane is provided with a buckling hole, and one end of the protection part, which is far away from the connecting part, is buckled in the buckling hole.

2. The board-to-board connector according to claim 1, wherein: at least one side of one end of the protection part, which is far away from the connecting part, is provided with a first clamping block.

3. The board-to-board connector according to claim 1, wherein: the protection portion includes consecutive portion of rising, guide part, kink and the portion of stretching into, the portion of rising is connected connecting portion are located the outside of the end of well island, the portion of stretching into stretch into the lock joint is downthehole.

4. The board-to-board connector according to claim 1, wherein: the top end of the protection part is arranged lower than the top surface of the middle island.

5. The board-to-board connector according to claim 1, wherein: the bottom plate is provided with a slotted hole for avoiding the connecting part.

6. The board-to-board connector according to claim 1, wherein: the main part includes first protection arm, second protection arm and third protection arm, first protection arm is located the headwall is kept away from on the face of bottom plate, the both ends of first protection arm are connected with respectively the second protection arm, the second protection arm is located the side wall is kept away from on the face of bottom plate, the third protection arm is located the outside of side wall, the top of third protection arm is connected the outside limit of second protection arm, the bottom of third protection arm forms first leg, the lateral wall of first protection arm has the extension arm that extends down, the extension arm is located the outside of headwall, the bottom of extension arm is buckled outwards and is extended the even material piece that forms as the second leg.

7. The board-to-board connector according to claim 6, wherein: the extension arm is provided with a second clamping block and/or a first clamping foot.

8. The board-to-board connector according to claim 6, wherein: and a second clamping pin is arranged on the third protection arm.

9. The board-to-board connector according to claim 6, wherein: the third protection arm is kept away from the top of the one end of extension arm is connected with elastic cantilever, elastic cantilever keeps away from the one end of third protection arm stretches into hold the intracavity, the top of lateral wall is equipped with and is used for keeping away the position elastic cantilever keeps away the position groove, elastic cantilever's top surface is less than the top surface setting of second protection arm.